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Chess 4 (Computer)
  
Number of games in database: 12
Years covered: 1972 to 1980
Overall record: +9 -1 =2 (83.3%)*
   * Overall winning percentage = (wins+draws/2) / total games.

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C44 King's Pawn Game (2 games)
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CHESS 4 (COMPUTER)
(born 1968) United States of America

[what is this?]
Its programmers are Larry Atkin, Keith Gorlen and David Slate of Northwestern University and is mainly written in Assembler and FORTRAN.

 page 1 of 1; 12 games  PGN Download 
Game  ResultMoves YearEvent/LocaleOpening
1. D Levy vs Chess 4 ½-½241972SparksC34 King's Gambit Accepted
2. Chess 4 vs Kaissa ½-½651974World Computer ChampionshipB01 Scandinavian
3. Tech 2 vs Chess 4 0-1491974World Computer ChampionshipB88 Sicilian, Fischer-Sozin Attack
4. Chess 4 vs Ostrich 1-0481974World Computer ChampionshipC10 French
5. Chaos vs Chess 4 1-0791974World Computer ChampionshipD29 Queen's Gambit Accepted, Classical
6. Chess 4 vs Ribbit  1-0391974World Computer ChampionshipB92 Sicilian, Najdorf, Opocensky Variation
7. Kaissa vs Chess 4 0-1441977World Computer ChampionshipB00 Uncommon King's Pawn Opening
8. Belle vs Chess 4 0-1521977World Computer ChampionshipB00 Uncommon King's Pawn Opening
9. Chess 4 vs Duchess  1-0501977World Computer ChampionshipC43 Petrov, Modern Attack
10. Master vs Chess 4  0-1411977World Computer ChampionshipA09 Reti Opening
11. Chess 4 vs Bcp 1-0271977World Computer ChampionshipC44 King's Pawn Game
12. Chess 4 vs Schach 2 3 1-0341980ch-World COMPC44 King's Pawn Game
  REFINE SEARCH:   White wins (1-0) | Black wins (0-1) | Draws (1/2-1/2) | Chess 4 wins | Chess 4 loses  

Kibitzer's Corner
Oct-25-04
Premium Chessgames Member
  Knight13: Wow! This computer won most of the games! If it still exist today, it would be like Deep Fritz or something close to it.
Oct-26-04  tomh72000: <Knight13> It would be vastly inferior to Deep Fritz, because chess engines have advanced a huge amount since 1980.
Oct-26-04
Premium Chessgames Member
  Knight13: <tomh72000> What I mean is, if it still exist today, it would have benn envolved into a strong program like Deep Fritz.
Oct-27-04  tomh72000: Maybe you are right, it could evolve as Fritz and others have done.
Oct-29-04
Premium Chessgames Member
  Knight13: This computer must have been on the world computer championship. I am sure of it.
May-13-05  Caissanist: This was the program that played, and lost, to David Levy in 1979 at the conclusion of Levy's famous bet, since it was the computer world champion at the time. This version was called Chess 4.7, and had evolved about as far as it could off its current code base. Its programmer David Slate did try to come out with a totally rewritten version, called Chess 5.0, in time for the Levy match. He couldn't make the deadline, though, and the project was abandoned. Levy won the match easily.
May-13-05  Caissanist: Correction--Chess 5.0 was not abandoned, but rather was renamed Nuchess. Under that name it played in several of the ACM computer championships in the early eighties. By then, however, other programs (notably Belle and Cray Blitz) had passed it by.
Oct-24-07
Premium Chessgames Member
  Petrosianic: <Wow! This computer won most of the games! If it still exist today, it would be like Deep Fritz or something close to it.>

By that reasoning, the best player in history would have to be Gioachino Greco

But the database isn't complete, you know. None of the games of the aforementioned Levy match, which it lost, are here, for example. They all seem to be stored under CHESS 4.7 (Computer) rather than here.

Oct-11-09  WhiteRook48: no that was when it became CHESS 4.7
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